Sky Guide PLUS and Sky Guide PRO are optional add-on subscriptions to Sky Guide. PLUS offers expanded object catalogs, a dark sky finder, and advanced meteor shower forecasts. PRO gives you access to everything in PLUS as well as much higher definition zooming, 50× larger star and deep sky catalogs, exclusive cinematic tours, and advanced field of view visualization tools. Both offer a free trial, followed by either monthly or annual plans.

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